How to parse json using Jquery or Javascript

Question

I am Using web service in with Jquery Ajax this returning me the following string

{"d":"[{\"username\":\"ABC\",\"designation\":\"\"}]"}

but when I am trying to parse this it is giving me error

var response = '{"d":"[{\"username\":\"ABC\",\"designation\":\"\"}]"}';

console.log(JSON.parse(response));

That's invalid json. The [] should not have quotes around them, and quotes should not be escaped. How was this json generated? — Taplar
– Taplar, Commented Apr 11, 2018 at 14:59
Can you please share more code (what have you tried so far) and exact error message? — Ege Bayrak
– Ege Bayrak, Commented Apr 11, 2018 at 14:59
I am calling web service given by other customer ....and I have to extract data from it by giving Jquery Ajax Call — Gans
– Gans, Commented Apr 11, 2018 at 15:02
var obj = jQuery.parseJSON(result); //result Means {"d":"[{\"username\":\"ABC\",\"designation\":\"\"}]"} — Gans
– Gans, Commented Apr 11, 2018 at 15:05

Mr. Polywhirl · Accepted Answer · 2018-04-11 16:20:09Z

2

As others have noted, you need to remove the quotes around the braces.

const PATTERNS = [/"(\[)/g, /(\])"/g]; // Invalid patterns
const JsonFixer = json => PATTERNS.reduce((s, re) => s.replace(re, '$1'), json);

var rawJsonResponse = '{"d":"[{\"username\":\"ABC\",\"designation\":\"\"}]"}';

console.log(JSON.parse(JsonFixer(rawJsonResponse)));

.as-console-wrapper { top: 0; max-height: 100% !important; }

answered Apr 11, 2018 at 16:20

Mr. Polywhirl

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